Conical drum

Conical drum (Fr.: tambour en cône; Ger.: Kegeltrommel, Konustrommel), drum with considerably different terminal diameters (100). Hornborstel, E. M. von, and Sachs, Curt. “Classification of Musical Instruments,” translated by Anthony Baines and Klaus P. Wachsmann, in The Galpin Society Journal, Vol. 14. N.p., 1961.